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RF12 数据表(PDF) 19 Page - Renesas Technology Corp

部件名 RF12
功能描述  EEPROM Emulation Library
PDF  56 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

RF12 数据表(HTML) 19 Page - Renesas Technology Corp

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RL78 Family
Chapter 3
EEL Functional Specifications
EEPROM Emulation Library Pack02
R01US0068EJ0100
Rev.1.00
Page 19 of 53
Mar. 28, 2014
3.2
State Transitions
To use EEPROM emulation from a user-created program, it is necessary to initialize the EEL and execute
functions that perform operations such as reading and writing on EEL blocks. Figure 3-1 shows the overall state
transitions, and Figure 3-2 shows an operation flow for using basic features. When using EEPROM emulation,
incorporate EEPROM emulation into user-created programs by following this flow.
Figure 3-1
State transitions diagram
FDL_Init()
↓
FDL_Open()
　　 ↓
EEL_Init()
closed
FDL_Close()
EEL_Open()
EEL_Close()
opened
Format executing
busy
Startup executing
busy
EEL_CMD_FORMAT
EEL_CMD_STARTUP
status:OK
status:ERROR
started
status:OK
ERROR Verify
EEL_CMD_FORMAT
EEPROM command executing
busy
EEL_CMD_WRITE
EEL_CMD_READ
EEL_CMD_REFRESH
EEL_CMD_VERIFY
status:OK
status:ERROR
EEL_CMD_SHUTDOWN
status:ERROR
EEL_CMD_STARTUP
Reset or Power ON
uninitialized
exhausted
EEPROM command executing
busy
EEL_CMD_READ
EEL_CMD_VERIFY
status:OK
status:ERROR
status:
ERROR
POOL_EXHAUSTED
status:
ERROR
POOL_EXHAUSTED
EEL_CMD_SHUTDOWN
Note 1:
EEL_Close and EEL_Init can be called from every state. Please note however, that this interrupts any
EEL processing and can lead to unpredictable behavior.
Note 2:
Once the EEL_CMD_FORMAT command is started, be sure to finish it.



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